Alternating-current metal armored movable switch equipment

Abstract

The utility model relates to the technical field of movable switch equipment, in particular to alternating-current metal armored movable switch equipment, which improves the safety of the equipment by integrating high-efficiency heat dissipation and dehumidification technologies. Comprising a cabinet body which is independently and fixedly arranged; the heat dissipation assembly comprises a first air exchange unit and a second air exchange unit which are arranged at the top and the bottom of the cabinet body respectively, the first air exchange unit is used for discharging hot air in the cabinet body, and the second air exchange unit is used for leading in external cold air; and the separation assembly is mounted on the outer side of the cabinet body, is connected with the second ventilation unit and is used for separating water in the air passing through the second ventilation unit.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of movable switch equipment, particularly to an alternating current metal armored movable switch equipment. BACKGROUND

[0002] The alternating current metal armored movable switch equipment is a power distribution device for power systems, usually used for receiving and distributing electric energy, and controlling, protecting and monitoring the circuit. The design feature of this switch equipment is the use of armored (i.e. with a metal shell protection) and movable (i.e. movable parts) structure, so that it not only can provide good electrical performance and mechanical strength, but also can facilitate maintenance and repair.

[0003] In the daily use of switch equipment, it is usually placed in the room for use. In the case of humid weather, there will be heavy humidity. At this time, the humidity in the room will penetrate into the inside of the switch equipment, and then the humidity will contact the electrical elements inside the switch equipment, which will cause the electrical elements to be damaged, thereby affecting the daily use of the switch equipment. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides an alternating current metal armored movable switch equipment which improves the safety of the equipment by integrating efficient heat dissipation and dehumidification technology.

[0005] The alternating current metal armored movable switch equipment of the utility model comprises:

[0006] The cabinet body is independently fixedly arranged;

[0007] The heat dissipation assembly comprises a first air exchange unit and a second air exchange unit arranged at the top and the bottom of the cabinet body respectively, the first air exchange unit is used for discharging hot air inside the cabinet body, and the second air exchange unit is used for guiding cold air from the outside;

[0008] The separation assembly is installed outside the cabinet body and connected with the second air exchange unit, and is used for separating water in the air passing through the second air exchange unit.

[0009] Further, the separation assembly comprises:

[0010] The end cover is connected with an air inlet pipe and an air outlet pipe on the side wall, and a steam guide groove in communication with the air inlet pipe is formed in the inside of the end cover;

[0011] The cylinder body is installed at the bottom of the end cover, and an opening in communication with the steam guide groove is arranged on the upper end face;

[0012] The conduit is inserted into the end cover, and the bottom end extends into the inside of the cylinder body, and a through hole in communication with the air outlet pipe is formed in the side wall of the conduit;

[0013] The filter element is sleeved outside the conduit and is connected with the inner wall of the cylinder body.

[0014] Further, the dustproof net is fixed on the end of the steam inlet pipe which is not connected with the end cover by buckle.

[0015] Further, the bottom of the cylinder is inverted conical, and the bottom end of the cylinder is communicated with a water outlet pipe, and the water outlet pipe is provided with a control valve.

[0016] Further, the separation assembly further comprises an automatic drainage device, and the automatic drainage device comprises:

[0017] A liquid level detector is installed on the end cover, and a detection end of the liquid level detector extends into the inside of the guide pipe;

[0018] A controller is electrically connected with the liquid level detector and the control valve.

[0019] Further, a water tank is detachably installed below the cylinder, and the water tank is communicated with the water outlet pipe.

[0020] Further, the filter element comprises a plurality of screen meshes which are distributed along the radial direction of the guide pipe, and the filter hole diameters of the screen meshes gradually decrease from top to bottom.

[0021] Further, the second air exchange unit comprises:

[0022] A second air guide box is installed at the bottom of the cabinet body and is internally provided with a cavity;

[0023] A plurality of air outlet holes are distributed on the top of the second air guide box and are communicated between the second air guide box and the cabinet body;

[0024] A second air fan is installed outside the second air guide box, and an air outlet end of the second air fan is communicated with the second air guide box, and an air inlet end of the second air fan is communicated with the air outlet pipe.

[0025] Further, the first air exchange unit comprises:

[0026] A first air guide box is installed on the cabinet body and is internally provided with a cavity;

[0027] A plurality of air suction holes are distributed on the bottom of the first air guide box and are communicated between the first air guide box and the cabinet body;

[0028] A first air fan is installed on the first air guide box, and an air suction end of the first air fan is communicated with the first air guide box;

[0029] A plurality of baffles are slidably installed in the first air guide box and are used for closing the air suction holes when the first air exchange unit does not work.

[0030] Further, both sides of each baffle are slidably matched with a slide rod, a limiting plate is arranged at the top end of the slide rod, and the bottom end of the slide rod is fixedly connected with the first air guide box.

[0031] Compared with the prior art, the utility model has the beneficial effects that:

[0032] By integrating the heat dissipation assembly and the separation assembly, the use problem in a humid environment is solved; the first air exchange unit discharges the heat generated by the electrical elements in the cabinet through forced convection, and the second air exchange unit is used for introducing fresh air from the outside to supplement the discharged hot air, and through the design of being respectively located at the upper and lower ends of the cabinet, a forced convection circulation from the bottom to the top is formed, which helps to maintain the temperature in the cabinet within a reasonable range; the separation assembly dehumidifies the air before entering the cabinet, and after removing the moisture, the dry air is sent into the cabinet, thereby effectively preventing the problem of moisture invading the internal equipment to cause damage to the electrical elements, and improving the safety and reliability of the equipment operation. BRIEF DESCRIPTION OF DRAWINGS

[0033] The utility model will be further described below in combination with the drawings.

[0034] Figure 1 It is the structure schematic of the utility model Figure 1 ;

[0035] Figure 2 It is the structure schematic of the utility model Figure 2 ;

[0036] Figure 3 It is the structure schematic of the first air exchange unit of the utility model

[0037] Figure 4 It is the structure schematic of the utility model

[0038] Figure 5 It is the structure schematic of the end cover of the utility model

[0039] Figure 6 It is the structure schematic of the separation assembly of the utility model

[0040] Mark in the drawing: 1, cabinet;2, heat dissipation assembly;21, first air exchange unit;211, first air guide box;212, air extraction hole;213, first fan;214, baffle;215, sliding rod;216, limiting plate;22, second air exchange unit;221, second air guide box;222, air outlet hole;223, second fan;3, separation assembly;31, end cover;311, inlet pipe;312, air outlet pipe;313, steam guide groove;314, buckle;315, dust screen;32, barrel;33, guide pipe;34, filter;341, screen;35, water outlet pipe;36, control valve;37, automatic drainage;371, liquid level detector;38, water tank. DETAILED DESCRIPTION

[0041] The specific embodiments of the utility model are described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but are not used to limit the scope of the utility model.

[0042] As Figure 1 And Figure 2 The utility model discloses an alternating current metal armored movable switchgear, which comprises:

[0043] The cabinet body 1 is independently fixedly arranged.

[0044] The heat dissipation assembly 2 comprises a first air exchange unit 21 and a second air exchange unit 22 arranged at the top and the bottom of the cabinet body 1 respectively, the first air exchange unit 21 is used for discharging hot air in the cabinet body 1, and the second air exchange unit 22 is used for guiding cold air from the outside.

[0045] The separation assembly 3 is installed on the outer side of the cabinet body 1 and is connected with the second air exchange unit 22, and is used for separating water and steam in the air passing through the second air exchange unit 22.

[0046] The hot air in the cabinet body 1 is discharged through the first air exchange unit 21 at the top, and the second air exchange unit 22 at the bottom guides the cold air from the outside, so that natural or forced convection is formed, the working temperature of the electrical elements in the cabinet body 1 is effectively reduced, the service life of the equipment is prolonged, and the operation efficiency is improved.

[0047] Specifically, as Figures 4 to 6 The separation assembly 3 comprises:

[0048] The end cover 31 is connected with a steam inlet pipe 311 and a gas outlet pipe 312 on the side wall, and a steam guide groove 313 in communication with the steam inlet pipe 311 is arranged in the inside of the end cover 31.

[0049] The barrel 32 is installed at the bottom of the end cover 31, and an opening in communication with the steam guide groove 313 is arranged on the upper end face.

[0050] The guide pipe 33 is inserted into the end cover 31, and the bottom end extends into the inside of the barrel 32, and a through hole in communication with the gas outlet pipe 312 is arranged on the side wall of the guide pipe 33.

[0051] The filter 34 is sleeved on the outside of the guide pipe 33 and is connected with the inner wall of the barrel 32.

[0052] The low-temperature air outside is sucked by the suction force generated by the second air exchange unit 22, the air inlet pipe 311 is used to guide the air containing water vapor, the air guide groove 313 is used to guide the air into the inner part of the cylinder body 32, the air guide groove 313 is in a strip shape, which increases the flow path of the air in the end cover 31, helps to slow down the flow rate of the air, reduces the possibility of the air directly impacting the filter 34, thereby prolonging the service life of the component, the filter 34 is used to filter and separate the passing air, after the water droplets and the steam are intercepted by the filter 34, the water droplets are condensed into liquid and flow into the bottom of the cylinder body 32, the dry air after the filtering and separating action is guided to continue to flow upward through the air guide pipe 33 and is discharged through the air outlet pipe 312, is sucked into the cabinet body 1 by the second air exchange unit 22, and dry cooling air is provided for the equipment.

[0053] In order to prevent dust and impurities from entering the equipment, improve the cleanliness and reliability of the equipment, the dustproof net 315 is fixed to the end of the air inlet pipe 311 which is not connected with the end cover 31 through the buckle 314. Through this design, the air passes through the dustproof net 315 before entering the air inlet pipe 311, the dustproof net 315 can effectively filter out the dust, particulate matter and other impurities in the air, and reduce the dust accumulation in the equipment. The dustproof net 315 as the first line of defense can reduce the burden of the filter 34, improve the filtering efficiency and service life of the filter 34, the dustproof net 315 is fixed through the buckle 314, which is convenient for disassembly and cleaning, the dustproof net 315 is made of low-resistance material, which does not significantly increase the resistance of air flow, ensures smooth air circulation, and does not affect the heat dissipation effect of the equipment.

[0054] In order to effectively collect and discharge the water droplets separated by the filter 34, the bottom of the cylinder body 32 is in a reverse conical shape, the bottom end of the cylinder body 32 is communicated with the water outlet pipe 35, and the control valve 36 is arranged on the water outlet pipe 35. The reverse conical design helps the water droplets to collect at the bottom along the inclined surface, reduces the dispersion of the water droplets in the cylinder body 32, and improves the water discharge efficiency. Through the design of the water outlet pipe 35 and the control valve 36, the separated water droplets can be discharged in time, and the influence of excessive water accumulation in the cylinder body 32 on the filtering effect of the filter 34 is prevented.

[0055] In order to realize the automatic management and discharge of the separated water droplets, the separation assembly 3 further comprises an automatic water discharge component 37, which comprises:

[0056] A liquid level detector 371 is installed on the end cover 31, and the detection end of the liquid level detector 371 extends into the inner part of the air guide pipe 33.

[0057] A controller is electrically connected with the liquid level detector 371 and the control valve 36.

[0058] The liquid level detector 371 is used to detect the water level inside the conduit 33, and the controller is used to control the opening and closing of the control valve 36 according to the signal of the liquid level detector 371, so as to control the discharge of water, realize the automatic drainage function, and improve the automation level without manual intervention; through the real-time monitoring of the water level by the liquid level detector 371, it is ensured that the system is always in the best working state, and the accidental situation caused by too high water level is avoided.

[0059] Further, the water tank 38 is detachably installed below the cylinder 32, and the water tank 38 is communicated with the water outlet pipe 35; the water tank 38 is used to collect the water discharged from the water outlet pipe 35, so as to prevent the water from being directly discharged to the ground, and avoid the safety hazards such as ground pollution and slipping; the water tank 38 is designed to be detachable, which is convenient for regular cleaning or replacement, and keeps the system clean and sanitary; the collected water can be reused or treated centrally, which meets the environmental protection requirements and reduces the waste of water resources.

[0060] In order to improve the filtering efficiency and system reliability, the filter 34 includes a plurality of screen meshes 341 distributed along the radial direction of the conduit 33, and the filter hole diameters of the plurality of screen meshes 341 decrease from top to bottom; through the design of the multi-stage screen meshes 341, the effect of step-by-step filtering is realized; the filter hole diameters of the screen meshes 341 are different, which can effectively intercept impurities and water droplets of different sizes, and improve the filtering efficiency; the multi-stage filtering design relieves the burden of the single-layer screen mesh 341, prolongs the service life of each layer of screen mesh 341, and large-particle impurities and water droplets are intercepted at the upper layer of screen mesh 341, and small-particle impurities and water droplets are intercepted at the lower layer of screen mesh 341, so as to ensure that the finally discharged air is dry and pure.

[0061] As shown in Figure 3 The second air exchange unit 22 is connected with the separation assembly 3, and the second air exchange unit 22 includes:

[0062] The second air guide box 221 is installed at the bottom of the cabinet body 1, and the inside is provided with a cavity;

[0063] A plurality of air outlet holes 222 are distributed at the top of the second air guide box 221, and are communicated with the second air guide box 221 and the cabinet body 1;

[0064] The second fan 223 is installed outside the second air guide box 221, the air outlet end of the second fan 223 is communicated with the second air guide box 221, and the air inlet end is communicated with the air outlet pipe 312;

[0065] Through the second air exchange unit 22, uniform introduction and efficient air exchange of dry air can be realized, so as to ensure that the temperature and humidity inside the cabinet body 1 are suitable; the second air guide box 221 is used to guide and distribute air, and the dry cold air is distributed to the inside of the cabinet body 1 through the plurality of air outlet holes 222; the use of the second fan 223 is used to improve the flow speed of the air, so as to ensure the circulation of the air inside the cabinet body 1 and improve the air exchange efficiency.

[0066] The first air exchange unit 21 comprises:

[0067] A first air guide box 211 is mounted on the cabinet body 1 and has an internal cavity;

[0068] A plurality of air suction holes 212 are distributed at the bottom of the first air guide box 211 and are in communication with the cabinet body 1 and the first air guide box 211;

[0069] A first air fan 213 is mounted on the first air guide box 211 and has an air suction end in communication with the first air guide box 211;

[0070] A plurality of baffles 214 are slidingly mounted in the first air guide box 211 and are used to close the air suction holes 212 when the first air exchange unit 21 is not working;

[0071] The first air fan 213 is used to suck out the hot air inside the cabinet body 1. When the first air fan 213 is started, a negative pressure is generated to suck out the hot air inside the cabinet body 1 through the air suction holes 212. The hot air enters the first air guide box 211 and is discharged through the air outlet of the first air fan 213. The baffles 214 can float upward to open the air suction holes 212 when the first air fan 213 is started and fall to close the air suction holes 212 when the first air fan 213 is stopped, so as to prevent external dust and impurities from entering the inside of the cabinet body 1. The use of the first air fan 213 improves the flow speed of the air, so as to ensure that the hot air inside the cabinet body 1 is effectively sucked out and the heat dissipation effect is improved. The uniform distribution of the plurality of air suction holes 212 ensures that the hot air inside the cabinet body 1 is uniformly sucked out and local overheating is avoided.

[0072] In order to support and guide the baffles 214, the two sides of each baffle 214 are in sliding cooperation with a slide rod 215. The top end of the slide rod 215 is provided with a limiting plate 216 and the bottom end of the slide rod 215 is fixedly connected with the first air guide box 211. The baffles 214 slide radially along the slide rod 215 and the limiting plate 216 is used to limit the sliding range of the baffles 214 to prevent the baffles 214 from sliding out of the slide rod 215.

[0073] This utility model relates to an AC metal-armored withdrawable switchgear. During operation, the first fan 213 starts, and the baffle 214 slides along the slide rod 215, opening the exhaust port 212. Hot air inside the cabinet 1 is extracted through the exhaust port 212. Simultaneously, the second fan 223 starts, and air containing moisture enters the end cover 31 through the steam inlet pipe 311. After being buffered by the steam guide groove 313, it enters the cylinder 32. First, it passes through a screen 341 with a larger filter hole diameter, where larger particles and water droplets are intercepted. As the air flows downwards, it passes through screens 341 with gradually decreasing filter hole diameters, where finer particles and water droplets are also filtered out. The system gradually intercepts water droplets; the intercepted droplets flow downwards along the screen 341 and converge at the bottom of the cylinder 32, while the level detector 371 monitors the water level in real time; the dry air, after being filtered through multiple stages, continues to flow upwards, is guided by the conduit 33, is discharged through the air outlet 312, enters the second air guide box 221, and enters the cabinet 1 through the air outlet 222; when the water level in the cylinder 32 reaches the preset value, the level detector 371 transmits a signal to the controller, and after receiving the signal, the controller automatically opens the control valve 36, and discharges the separated water into the water tank 38 through the water outlet pipe 35. After the drainage is completed, the controller closes the control valve 36 and stops the drainage.

[0074] The AC metal-clad withdrawable switchgear of this utility model can be installed, connected, or set in common mechanical ways, and can be implemented as long as it can achieve its beneficial effects.

[0075] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. An alternating current metal-clad switchgear, characterized by, include: Cabinet (1), independently and fixedly installed; The heat dissipation assembly (2) includes a first ventilation unit (21) and a second ventilation unit (22) respectively disposed at the top and bottom of the cabinet (1). The first ventilation unit (21) is used to exhaust the hot air inside the cabinet (1), and the second ventilation unit (22) is used to introduce the cold air from the outside. The separation component (3) is installed on the outside of the cabinet (1) and connected to the second ventilation unit (22) for separating water from the air passing through the second ventilation unit (22).

2. The AC metal-clad switchgear moveable part switchgear of claim 1, wherein, The separation component (3) includes: The end cap (31) has a steam inlet pipe (311) and an exhaust pipe (312) connected to its side wall. The end cap (31) has a steam guide groove (313) inside that communicates with the steam inlet pipe (311). The cylinder (32) is installed at the bottom of the end cap (31), and the upper end face is provided with an opening that communicates with the steam guide groove (313); The conduit (33) is inserted into the end cap (31) and its bottom end extends into the inside of the cylinder (32). A through hole communicating with the air outlet pipe (312) is provided on its side wall. The filter element (34) is sleeved on the outside of the conduit (33) and is connected to the inner wall of the cylinder (32).

3. The AC metal-clad switchgear moveable part switchgear of claim 2, wherein, The end of the steam inlet pipe (311) that is not connected to the end cap (31) is fixed with a dustproof net (315) by a buckle (314).

4. The AC metal-clad switchgear moveable part switchgear of claim 2, wherein, The bottom of the cylinder (32) is an inverted cone shape, and a water outlet pipe (35) is connected to the bottom end of the cylinder (32). A control valve (36) is provided on the water outlet pipe (35).

5. The AC metal-clad switchgear moveable part switchgear of claim 4, wherein, The separation component (3) further includes an automatic drainage element (37), which includes: A liquid level detector (371) is installed on the end cap (31), and the detection end of the liquid level detector (371) extends into the conduit (33); The controller is electrically connected to the level detector (371) and the control valve (36).

6. The AC metal-clad switchgear moveable part switchgear of claim 4, wherein, A water tank (38) is detachably installed below the cylinder (32), and the water tank (38) is connected to the water outlet pipe (35).

7. The AC metal-clad switchgear removal switch device of claim 2, wherein, The filter element (34) includes a plurality of screens (341) radially spaced along the conduit (33), and the diameter of the filter holes of the plurality of screens (341) decreases from top to bottom.

8. The AC metal-clad switchgear apparatus of Claim 2, wherein, The second ventilation unit (22) includes: The second air guide box (221) is installed at the bottom of the cabinet (1) and has an internal cavity; Several air vents (222) are spaced apart on the top of the second air guide box (221), connecting the second air guide box (221) and the cabinet (1); The second fan (223) is installed outside the second air guide box (221), with its air outlet end connected to the second air guide box (221) and its air inlet end connected to the air outlet pipe (312).

9. The AC metal-clad switchgear moveable part switchgear of claim 1, wherein, The first ventilation unit (21) includes: The first air guide box (211) is installed on the cabinet (1) and has an internal cavity; A plurality of air extraction holes (212) are arranged at intervals on the bottom of the first air guide box (211) and communicate with the cabinet (1); A first air fan (213) is installed on the first air guide box (211) and has an air extraction end communicating with the first air guide box (211); A plurality of baffles (214) are slidingly installed in the first air guide box (211) and are used for closing the air extraction holes (212) when the first air exchange unit (21) is not working.

10. The AC metal-clad switchgear moveable part switchgear of claim 9, wherein, Both sides of each baffle (214) are slidingly matched with a sliding rod (215), the top end of the sliding rod (215) is provided with a limiting plate (216), and the bottom end of the sliding rod (215) is fixedly connected with the first air guide box (211).

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